Ginkgo biloba has a long life span, and there are over 3,000 years old trees in China. Suitable for growing in subtropical monsoon region with superior hydrothermal conditions. The soil is yellow soil or yellow brown soil, and the pH value is 5 ~ 6. The initial growth is slow and the tillering is vigorous. Female plants generally begin to bear fruit in about 20 years, and trees that have been 500 years old can still bear fruit normally. Generally, it germinates from late March to early April, blooms from early April to mid-April, and the seeds mature 10 from late September to early June, and shed leaves from late June to 10.
Ginkgo trees are mainly distributed in Shandong, Jiangsu, Sichuan, Hebei, Hubei, Henan and other places. The largest ginkgo planting base in China is Tancheng County.
Five ginkgo bases:
1, Pizhou is the largest planting base among the five largest ginkgo bases in China. At present, there are 265,438+0,000 mu of ginkgo trees, and the annual output of ginkgo fruit is 900 tons, accounting for one tenth of the country. The output of Ginkgo biloba leaves is 6.5438+200,000 tons, accounting for about 60% of the national output. The capacity of ginkgone is 250 tons, accounting for 80% of the national total.
2. Xincun Township, Tancheng County, Shandong Province, which is "the first township of ginkgo in the world"
3. Songdian Ginkgo Base is one of the five largest ginkgo bases in China. It has been awarded the honors of "First Ginkgo Garden", "Demonstration Base of High-quality and High-yield Ginkgo biloba" and "Ginkgo Experimental Base of National Science and Technology Development Center" by the Ministry of Forestry and the State Science and Technology Commission.
4. Taixing, the number, planting, yield and quality of ancient ginkgo biloba all rank first in China, enjoying the reputation of "the first city of ginkgo biloba" in China.
At present, Taixing ginkgo production accounts for about one-third of the country. 1in June, 1995, Tian Jiyun, vice chairman of the National People's Congress Standing Committee (NPCSC), wrote an inscription for Taixing city, "The First City of Ginkgo biloba"; 1In the spring of 1996, the Institute of Market Economy of the State Council Development Research Center awarded Taixing the title of "China Ginkgo Town" in the national "Best China" selection.
5. China Ginkgo Town: Nanxiong City, Shaoguan City, Guangdong Province